package 玉米地20243;

import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		Scanner scanner=new Scanner(System.in);
		int n=scanner.nextInt();
		int m=scanner.nextInt();
		int num=scanner.nextInt();
		int sum=n*m*num;
		System.out.println(sum);
	}
}
